<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格练习</title>
</head>
<body>

<table border="1">
    <tr>
        <td>1-1</td>
        <td>1-2</td>
        <td>1-3</td>
        <td>1-4</td>
    </tr>
    <tr>
<!--        rowspan="n"跨行从当前单元格开始，向下合并n行
            colspan="n"跨列从当前单元格开始，向右合并n列-->
        <td rowspan="3">2-1</td>
        <td colspan="3">2-2</td>
        <!--            <td>2-3</td>-->
        <!--            <td rowspan="2">2-4</td>-->
    </tr>
    <tr>
        <!--            <td>3-1</td>-->
        <td>3-2</td>
        <td>3-3</td>
        <td>3-4</td>
    </tr>
    <tr>
        <!--            <td>4-1</td>-->
        <td>4-2</td>
        <td>4-3</td>
        <td>4-4</td>
    </tr>
</table>
</table>

<table border="1" style="border-collapse: collapse">
    <caption>购物车</caption>
    <tr>
        <th>商品编号</th>
        <th >商品名称</th>
        <th>商品价格</th>
    </tr>
    <tr>
        <td>1</td>
        <td >小米air</td>
        <td>5877</td>
    </tr>
    <tr>
        <td>2</td>
        <td >华为遥遥领先</td>
        <td>8877</td>
    </tr>
    <tr>
        <td>总价</td>
        <td colspan="2">10000</td>
    </tr>
</table>
</body>
</html>